COUNTY FATALITY DATA
Bonneville County, Idaho
Road fatality data for Bonneville County (ID). Data period: 2016-2023.
- 106
- Total Fatalities (2016-2023)
- 18
- Latest Year Deaths
- High count
- 13.7
- Per 100k Residents
- Below average
- Increasing
- Trend
Rising fatality trend
Bonneville County's FARS series is labeled Increasing with 18 deaths in the latest year.
Bonneville County on a rising FARS trend
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Bonneville County ranks #1,381 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #20 of 30 rated counties in ID. Bonneville County's fatality rate of 13.7 per 100,000 residents places it close to the national middle by that per-capita measure.
- #1,381 of 2,328
- among rated U.S. counties by rate
- #660 of 3,137
- larger-book third
- #20 of 30
- in ID by rate
- Increasing
- fatality trend
NHTSA FARS milepost
Milepost BONNEVILLE-1 · Bonneville 13.7/100k · #1,381 of 2,328
Bonneville County · 13.7/100k · increasing
- PHOTO 13.7/100k
- VS-ST #1,381 of 2,328
- CRASH 106 book
- FARS Increasing
- NHTSA 97 crash
- MILE -35.3% vs ID
Stamps derive from this county's NHTSA FARS row (per-100k or book, corpus rank, trend, nationwide peer NAME, vs-state gap), not a trip-risk forecast. PlainRoadSafety is informational only. See our disclaimer. Verify with NHTSA FARS → · Read with methodology → · Understanding road fatality data → · Idaho state profile →
How does Bonneville County compare?
2023 road deaths per 100,000 residents. Choose any comparison from the menu.
Bonneville County is 35% safer than the comparison
2023 road deaths from the NHTSA Fatality Analysis Reporting System over population from the U.S. Census Bureau Population Estimates Program (Vintage 2023). Rates shown for counties with 10,000+ residents and a 2023 FARS record.
Among the 15 rated counties in Idaho, Bonneville County ranks 15 for per-capita risk, below the state's own per-capita average of 21.2 per 100,000 -- nationally, this rate places it close to the national middle by that per-capita measure. The gap between Bonneville County's rate and the state average is 7.5 per 100,000. Its closest per-capita peer statewide is Blaine County, at 20.0 per 100,000 (a difference of 6.3). Its peer counties, highest to lowest per 100,000 residents: Jerome County (70.6), Idaho County (44.7), Teton County (39.8), Elmore County (37.0), Payette County (33.0), Cassia County (31.1), Benewah County (28.9), Fremont County (28.2), Washington County (26.3), Gooding County (24.9), Valley County (23.7), Jefferson County (23.4), Minidoka County (22.2), Blaine County (20.0).
Bonneville County's rate vs. every rated U.S. county
Deaths per 100,000 residents -- counties with 10,000+ people, NHTSA FARS over Census population
14 Lower than most a lower per-capita rate than 59% of 2,328 rated counties
rated U.S. counties, bucketed by value
Each bar is a band; taller bars hold more rated counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source NHTSA FARS over U.S. Census Bureau population estimates · 2026-09-03
More road safety data related to Bonneville County
Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.
- Bonneville County vs other counties by ratePer-100k fatality comparison
- Idaho statewide fatality dataAll counties in this state
- Deadliest states for drivingContext for ID
- State fatality changesYear-over-year state trends
- Browse all U.S. countiesAlphabetical county index
- All state profiles51 state dashboards
- State vs U.S. safety comparisonRoute-level lookup tool
- National statistics downloadFARS CSV + findings
- How to read FARS fatality dataMethodology primer
- Per-mile vs per-capita road riskRate denominator explained
- Counties starting with BLetter index including ID counties
Frequently Asked Questions
How many traffic fatalities occurred in Bonneville County, Idaho?
Bonneville County recorded 106 total traffic fatalities across 97 reported crashes over the data period (2016-2023). The most recent year saw 18 fatalities. The county averages approximately 11.8 fatalities per year.
What is the leading cause of road fatalities in Bonneville County?
Despite a comparatively active crash history (97 recorded crashes), individual cause-code breakdowns are not published for Bonneville County in the current FARS release. Statewide data for Idaho may provide additional context.
Is the trend of road fatalities in Bonneville County increasing or decreasing?
The trend in Bonneville County is increasing. This indicates that traffic fatalities have risen over the data period, warranting attention to road safety initiatives.
What is the fatality rate per capita in Bonneville County?
Bonneville County has a fatality rate of 13.7 per 100,000 residents, which places it close to the national middle by that per-capita measure among the 3,137 U.S. counties in this dataset.
Where does Bonneville County rank for road fatality rate?
According to the National Highway Traffic Safety Administration Fatality Analysis Reporting System, Bonneville County ranks #1,381 of 2,328 U.S. counties by road-fatality rate per 100,000 residents (highest first) and #20 of 30 rated counties in ID, the same sort used on the deadliest-states and county rate listings. See /methodology#corpus-placement.
How does Bonneville County compare to the rest of Idaho?
Bonneville County's per-capita rate of 13.7 per 100,000 residents is below the Idaho county average of 21.2. Visit the Idaho state page for the full county-by-county breakdown.
Where does the road fatality data for Bonneville County come from?
All road fatality data comes from the NHTSA Fatality Analysis Reporting System (FARS), a census of fatal motor vehicle crashes on public roads in the United States. FARS data covers the period 2016-2023 and includes all crashes resulting in at least one fatality within 30 days.